alter table oracle
ALTER TABLE tablename MODIFY columnname varchar2(100)alter table oracle
ALTER TABLE tablename MODIFY columnname varchar2(100)oracle add column
-- ALTER TABLE <table> ADD <column> <type> <constraint>;
ALTER TABLE members ADD age NUMBER;
ALTER TABLE members ADD birth_date DATE NOT NULL;
ALTER TABLE members ADD registering DATE DEFAULT sysdate;
ALTER TABLE members ADD member_id NUMBER UNIQUE;oracle alter table add column
ALTER TABLE table_name
ADD column_name data_type constraint;Copyright © 2021 Codeinu
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